{"id":47341,"date":"2024-12-02T08:02:09","date_gmt":"2024-12-02T00:02:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47341\/"},"modified":"2024-12-02T08:02:09","modified_gmt":"2024-12-02T00:02:09","slug":"php%e5%87%bd%e6%95%b0%e5%a6%82%e4%bd%95%e6%8e%a5%e6%94%b6%e7%b1%bb%e5%9e%8b%e6%b3%a8%e8%a7%a3%e5%8f%82%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47341\/","title":{"rendered":"PHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u7c7b\u578b\u6ce8\u89e3\u53c2\u6570\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u7c7b\u578b\u6ce8\u89e3\u53c2\u6570\uff1f<\/h1>\n<p>\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u7c7b\u578b\u6ce8\u89e3\u53c2\u6570\uff1f\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n<p>\u53ef\u901a\u8fc7\u7c7b\u578b\u6ce8\u89e3\u8bed\u6cd5\u5728\u51fd\u6570\u53c2\u6570\u524d\u6307\u5b9a\u7c7b\u578b\uff0c\u652f\u6301\u539f\u59cb\u7c7b\u578b\u3001\u7c7b\u540d\u3001\u8054\u5408\u7c7b\u578b\u3001\u53ef\u7a7a\u7c7b\u578b\u3001\u6570\u7ec4\u7c7b\u578b\u548c\u533f\u540d\u7c7b\u7c7b\u578b\uff0c\u5e76\u652f\u6301\u81ea\u52a8\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362\u3002\u7c7b\u578b\u6ce8\u89e3\u589e\u5f3a\u4e86\u4ee3\u7801\u53ef\u8bfb\u6027\u3001\u9632\u6b62\u7c7b\u578b\u9519\u8bef\u548c\u63d0\u9ad8\u4e86\u4ee3\u7801\u8d28\u91cf\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729911879671c5c471ab84.jpg\" class=\"aligncenter\" title=\"PHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u7c7b\u578b\u6ce8\u89e3\u53c2\u6570\uff1f\u63d2\u56fe\" alt=\"PHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u7c7b\u578b\u6ce8\u89e3\u53c2\u6570\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u5982\u4f55\u63a5\u6536\u7c7b\u578b\u6ce8\u89e3\u53c2\u6570\uff1f<\/strong><\/p>\n<p>\u7c7b\u578b\u6ce8\u89e3\u662f\u4e00\u79cd\u5728\u51fd\u6570\u53c2\u6570\u4e0a\u6307\u5b9a\u671f\u671b\u503c\u7684\u673a\u5236\uff0c\u5b83\u6709\u52a9\u4e8e\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u5728\u51fd\u6570\u53c2\u6570\u7c7b\u578b\u6ce8\u89e3\u8bed\u6cd5\u4e2d\uff0c\u5192\u53f7 (:) \u540e\u8ddf\u7c7b\u578b\u540d\u79f0\u6216\u7c7b\u540d\u79f0\uff1a<\/p>\n<pre>function myFunction(string $name, int $age): void\n{\n    \/\/ ...\n}<\/pre>\n<p><strong>\u7c7b\u578b<\/strong><\/p>\n<p>\u652f\u6301\u7684\u7c7b\u578b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u539f\u59cb\u7c7b\u578b\uff1astring\u3001int\u3001float\u3001bool<\/li>\n<li>\u7c7b\u540d\uff1aMyClass\u3001MyNamespace\\MyClass<\/li>\n<li>\u8054\u5408\u7c7b\u578b\uff1astring|int (\u6216\u591a\u4e2a\u7c7b\u578b)<\/li>\n<li>\u53ef\u7a7a\u7c7b\u578b\uff1a?string\u3001?int (\u5141\u8bb8\u7684\u53c2\u6570\u503c\u4e3a\u7a7a)<\/li>\n<li>\u6570\u7ec4\u7c7b\u578b\uff1aarray<\/li>\n<li>\u533f\u540d\u7c7b\u7c7b\u578b\uff1aobject<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u8ba1\u7b97\u77e9\u5f62\u9762\u79ef\u7684\u51fd\u6570\uff1a<\/p>\n<pre>function calculateArea(float $width, float $height): float\n{\n    return $width * $height;\n}\n\n$area = calculateArea(10.5, 5.25); \/\/ \u8fd4\u56de 55.125<\/pre>\n<p><strong>\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362<\/strong><\/p>\n<p>\u5982\u679c\u4f20\u9012\u7684\u53c2\u6570\u7c7b\u578b\u4e0e\u6ce8\u89e3\u7c7b\u578b\u4e0d\u5339\u914d\uff0cPHP \u4f1a\u81ea\u52a8\u6267\u884c\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>function myFunction(int $x): void\n{\n    \/\/ ...\n}\n\nmyFunction('10'); \/\/ \u4f20\u9012\u5b57\u7b26\u4e32\uff0c\u4f46\u4f1a\u81ea\u52a8\u8f6c\u6362\u4e3a\u6574\u6570<\/pre>\n<p><strong>\u597d\u5904<\/strong><\/p>\n<p>\u4f7f\u7528\u7c7b\u578b\u6ce8\u89e3\u53ef\u4ee5\u5e26\u6765\u4ee5\u4e0b\u597d\u5904\uff1a<\/p>\n<ul>\n<li><strong>\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff1a<\/strong>\u5b83\u6e05\u695a\u5730\u8bf4\u660e\u4e86\u51fd\u6570\u671f\u671b\u7684\u8f93\u5165\u7c7b\u578b\u548c\u8fd4\u56de\u7c7b\u578b\uff0c\u4f7f\u4ee3\u7801\u66f4\u5bb9\u6613\u7406\u89e3\u3002<\/li>\n<li><strong>\u9632\u6b62\u7c7b\u578b\u9519\u8bef\uff1a<\/strong>IDE \u548c linter \u53ef\u4ee5\u68c0\u67e5\u53c2\u6570\u7c7b\u578b\u662f\u5426\u5339\u914d\u6ce8\u89e3\uff0c\u4ece\u800c\u53ca\u65f6\u8bc6\u522b\u6f5c\u5728\u9519\u8bef\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u4ee3\u7801\u8d28\u91cf\uff1a<\/strong>\u5f3a\u5236\u6267\u884c\u53c2\u6570\u7c7b\u578b\u4e00\u81f4\u6027\uff0c\u51cf\u5c11\u9519\u8bef\u5e76\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n<\/ul>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u7c7b\u578b\u6ce8\u89e3\u53c2\u6570\uff1f \u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u6587\u7ae0\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u6587\u7ae0\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300aPHP\u51fd\u6570\u5982\u4f55\u63a5\u6536\u7c7b\u578b\u6ce8\u89e3\u53c2\u6570\uff1f\u300b\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~ \u53ef\u901a\u8fc7\u7c7b\u578b\u6ce8\u89e3\u8bed\u6cd5\u5728\u51fd\u6570\u53c2\u6570\u524d\u6307\u5b9a\u7c7b\u578b\uff0c\u652f\u6301\u539f\u59cb\u7c7b\u578b\u3001\u7c7b\u540d\u3001\u8054\u5408\u7c7b\u578b\u3001\u53ef\u7a7a\u7c7b\u578b\u3001\u6570\u7ec4\u7c7b\u578b\u548c\u533f\u540d\u7c7b\u7c7b\u578b\uff0c\u5e76\u652f\u6301\u81ea\u52a8\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362\u3002\u7c7b\u578b\u6ce8\u89e3\u589e\u5f3a\u4e86\u4ee3\u7801\u53ef\u8bfb\u6027\u3001\u9632\u6b62\u7c7b\u578b\u9519\u8bef\u548c\u63d0\u9ad8\u4e86\u4ee3\u7801\u8d28\u91cf\u3002 PHP \u51fd\u6570\u5982\u4f55\u63a5\u6536\u7c7b\u578b\u6ce8\u89e3\u53c2\u6570\uff1f \u7c7b\u578b\u6ce8\u89e3\u662f\u4e00\u79cd\u5728\u51fd\u6570\u53c2\u6570\u4e0a\u6307\u5b9a\u671f\u671b\u503c\u7684\u673a\u5236\uff0c\u5b83\u6709\u52a9\u4e8e\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 \u8bed\u6cd5 \u5728\u51fd\u6570\u53c2\u6570\u7c7b\u578b\u6ce8\u89e3\u8bed\u6cd5\u4e2d\uff0c\u5192\u53f7 (:) \u540e\u8ddf\u7c7b\u578b\u540d\u79f0\u6216\u7c7b\u540d\u79f0\uff1a function myFunction(string $name, int $age): void { \/\/ &#8230; } \u7c7b\u578b \u652f\u6301\u7684\u7c7b\u578b\u5305\u62ec\uff1a \u539f\u59cb\u7c7b\u578b\uff1astring\u3001int\u3001float\u3001bool \u7c7b\u540d\uff1aMyClass\u3001MyNamespace\\MyClass \u8054\u5408\u7c7b\u578b\uff1astring|int (\u6216\u591a\u4e2a\u7c7b\u578b) \u53ef\u7a7a\u7c7b\u578b\uff1a?string\u3001?int (\u5141\u8bb8\u7684\u53c2\u6570\u503c\u4e3a\u7a7a) \u6570\u7ec4\u7c7b\u578b\uff1aarray \u533f\u540d\u7c7b\u7c7b\u578b\uff1aobject \u5b9e\u6218\u6848\u4f8b \u8003\u8651\u4e00\u4e2a\u8ba1\u7b97\u77e9\u5f62\u9762\u79ef\u7684\u51fd\u6570\uff1a function calculateArea(float $width, float $height): float { return $width * $height; } $area = calculateArea(10.5, 5.25); \/\/ \u8fd4\u56de 55.125 \u7c7b\u578b\u5f3a\u5236\u8f6c\u6362 \u5982\u679c\u4f20\u9012\u7684\u53c2\u6570\u7c7b\u578b\u4e0e\u6ce8\u89e3\u7c7b\u578b\u4e0d\u5339\u914d\uff0cPHP \u4f1a\u81ea\u52a8\u6267\u884c\u7c7b\u578b\u5f3a\u5236\u8f6c\u6362\u3002\u4f8b\u5982\uff1a function [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-47341","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47341","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=47341"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47341\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}